Rule 34 Dev - 1boy 1futa all_hail_lord_rimuru anal anal_penetration anal_sex beach big_penis bikini blue_eyes blue_hair blush clothed clothing cute_fang dialogue duo english_text erection erection_in_panties erection_under_clothes femboy flat_chest futa_on_male futanari hornygraphite human light-skinned_futanari light-skinned_male light_skin long_hair male milim_nava moaning mostly_nude nipples penetration penis pink_hair rimuru_tempest sex slime swimsuit tensei_shitara_slime_datta_ken tenting text twintails water yellow_eyes|7280337392